Finding the Fourth Proportional to 12,615.41, 17,408.25 and 7,310.57

Step by Step Solution

1. Step 1: Write the proportion equation
   12,615.41 : 17,408.25 = 7,310.57 : x
2. Step 2: Convert to fraction form
   12,615.41/17,408.25 = 7,310.57/x
3. Step 3: Cross multiply
   12,615.41x = 17,408.25 × 7,310.57
4. Step 4: Simplify right side
   12,615.41x = 127,264,143.16
5. Step 5: Solve for x
   x = 127,264,143.16/12,615.41
6. Step 6: Final answer
   x = 10,087.99